Novel AOD converter slagging-off head

Abstract

The utility model belongs to the field of steelmaking technical equipment, and particularly relates to a novel AOD (Argon Oxygen Decarburization) converter slagging-off head, the width and radian of a slagging-off plate are set, the contact area of the slagging-off plate and slag is larger in the slagging-off process, the gathering degree of the slag on the slagging-off plate to the center of the slagging-off plate is higher in the slagging-off process, the slagging-off time is shortened, and the slagging-off efficiency is improved. And the working efficiency of slagging-off operation is improved, loss of AOD station entering temperature is reduced, meanwhile, the consumption of silicon iron is reduced, and the cost of ton steel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steelmaking technical equipment field, concretely relates to a novel AOD converter slagging head. BACKGROUND

[0002] The temperature requirement is relatively strict in the smelting process of ultra-pure ferrite stainless steel, and the AOD station temperature compliance rate is an important index influencing the success of ultra-pure ferrite smelting. By combining the actual site and actual temperature measurement data, we find that in the slagging link after the AOD converter tapping, since the existing slagging plate structure is a straight plate, the slagging time on the slagging plate is relatively long, the speed is relatively slow, the temperature loss is relatively large, the current ultra-pure slagging time is about 18 minutes per furnace, the temperature loss in the slagging process is about 90-100 DEG C per time, the temperature loss caused by the slagging process seriously influences the AOD station temperature, and further influences the control of the whole cycle index of the ultra-pure ferrite stainless steel smelting, in addition, the converter slag is easy to splash, and the operator is easy to be injured, and there is a safety hazard. SUMMARY

[0003] In view of the problems of the prior art, the utility model aims at providing a novel AOD converter slagging head to solve the problems of slow slagging speed, long slagging time and temperature loss caused by the AOD converter smelting ultra-pure ferrite and the safety problem of converter slag splashing.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A novel AOD converter slagging head, including the mounting plate, characterized in that: one side of the mounting plate is provided with a slagging plate, the other side of the mounting plate is provided with a mounting groove, the mounting groove is installed in the slagging port, and the slagging plate is of an arc structure.

[0006] Preferably, the curvature of the slagging plate is 25 DEG to 30 DEG, and the width of the slagging plate is 500mm to 800mm.

[0007] The utility model has the advantages that:

[0008] 1、The novel AOD converter slagging head has the width and curvature of the slagging plate, the contact area of the slagging plate and the slag is large in the slagging process, the slag is highly gathered to the center of the slagging plate in the slagging process, the working efficiency of slagging is improved, the slagging time is shortened, the loss of the AOD station temperature is reduced, the consumption of ferrosilicon is reduced, and the ton steel cost is reduced.

[0009] 2, the utility model discloses a novel AOD converter slag head is arc structure, in the process of slagging, the slag gathers to the degree of higher in the center of slagging plate, reduces the splashing of slag, effectively guarantees the personal safety of operator. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of the utility model.

[0011] The meaning of the reference sign in the drawing: 1, slagging plate, 2, mounting plate, 3, mounting groove. DETAILED DESCRIPTION

[0012] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0013] As Figure 1 The utility model discloses a novel AOD converter slag head, one side of mounting plate 2 is provided with slagging plate 1, the other side of mounting plate 2 is provided with mounting groove 3, and mounting groove 3 is installed at slagging port. Slagging plate 1 is of arc structure, and the width and the radian of slagging plate 1 can contact the slag of a large area during slagging. Meanwhile, the slag gathers to the center of slagging plate 1 to a higher degree during slagging, which improves the working efficiency of slagging, shortens the slagging time, reduces the consumption of ferrosilicon, lowers the cost of ton steel, effectively gathers the slag of the arc-shaped slagging plate 1, reduces the splashing of the slag of converter, and effectively avoids the scalding of operators.

[0014] Before blast furnace ironmaking operation starts, two people cooperate to install the converter slag head at the outlet of slagging machine, and then the blast furnace ironmaking operation can start. After the blast furnace ironmaking operation and the slagging work are completed, the slag head can be disassembled. The converter slag head of the utility model has simple structure, is convenient to operate, and has high practicability.

[0015] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A new type of AOD converter slag spilling head, comprising a mounting plate (2), characterized in that: One side of the mounting plate (2) is provided with a slag plate (1), the other side of the mounting plate (2) is provided with a mounting groove (3), the mounting groove (3) is installed in the slag port, the slag plate (1) is an arc structure.

2. A new type of AOD converter slag spilling head according to claim 1, characterized in that: The curvature of the slag plate (1) is 25°-30°, and the width of the slag plate (1) is 500mm-800mm.

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